class B {
  int x = 100,y = 200;
  public void setX(int x) {
      x = x;
  }
  public void setY(int y) {
      this.y = y;
  }
  public int getXYSum() {
      return x+y;
  }
}
public class Tthree {
   public static void main(String args[]) {
      B b = new B();
      b.setX(-100);
      b.setY(-200);
      System.out.println("sum"+b.getXYSum());
    }
}
